Question

In which one of the following metal carbonyls, CO forms a bridge between metal atoms?

(1) \([CO_2(CO)_8]\)

(2) \([Mn_2 (CO)_{10}]\)

(3) \([Os_3(CO)_{12}]\)

(4) \([Ru_3(CO)_{12}]\)

Answer 1

(1) \([CO_2(CO)_8]\)